A vent and questions about sources for cap jewel and incabloc spring

[arron]

Hi guys,

I'm working on an Invicta Pro Diver, model 8926, with a NH35A movement.  I bought it to practice on.  I had no trouble removing and re-installing the cap jewels on the balance cock and plate.  But I struggled for an hour trying to get the cap jewels back into the automatic winding works, when suddenly my luck (of not losing the parts) ran out and both the jewel and spring flew off never to be found again.  The jewel is about 1 mm and the spring is 1.7 mm. 

After searching for both online the only thing I can find for a jewel is a bag of assorted jewels; is this what folks do to replace a jewel, buy an assortment and hope one fits??

On the spring, again I can only find assortments and the pictures of the bags of parts don't even show the style that I have.  What do folks do in that case?  Is the only option a donor movement?

I'm already $60 into this watch, by the time I'm done I could have bought a new one.  hahaha.  but what fun would that be?  Thanks. 

[AndyGSi]

Have you seen this with the Part No's

NH3x Detailed Parts List.pdf

[HectorLooi]

Watch accessories original suitable for Seiko 7009 7S26 NH35 movement shock absorber spring shock drag bowl shock stone
https://a.aliexpress.com/_m08nrxd

Have you tried Aliexpress? 

[arron]

You guys are great.  first, i was wrongly looking up the invicta watch model instead of the movement number.  second, i didn't think to look on alliexpress, but there they are, both the spring and the jewel.  i better order some extra in case they fly away again.  thanks guys.

[Curare]

Fairly sure those parts on Ali Express are balance wheel jewels and springs, not the smaller ones that are for the Escape and Third wheels that are on the automatic works/train bridge.

[Curare]

Cousins UK, have the spring but the jewel is listed as discontinued.

https://www.cousinsuk.com/search?searchTerm=Upper Spring for Third %26 Escape Wheel %2C Seiko 015.703

Would a chinese copy of the movement from ali-express be viable to get the required parts and have leftovers

Regards

CJ

[AndyGSi]

You'd probably be better getting a Seiko 7019A, 7S26A or 7S36A.